How fast does the blast front of a supernova expand at? Is it close to the speed of light or is it less than a quarter of the speed of light?
A nearby star has crossed Chandrasekhar's limit. How do we come to know when it will undergo supernova explosion? Or has it already undergone supernova explosion?
Why is the element iron responsible for supernova? Can any star create more element than iron within the span of its life? I understand that when star dies due to supernova, other elements are ...
I read in a scientific magazine there was new gamma bursts that last longer than usual. One was detected during december 2010, also known as Christmas Burst: GRB 101225A and another one in 9th of ...
In February, a meteor entered the Earth's atmosphere over Chelyabinsk, Russia and exploded, producing a shockwave blast that damaged hundreds of buildings around the explosion site in Russia. But why ...